cts for drug trials. Desikan RS, Fan CC, Wang Y, Schork Al, Cabral HJ, Cupples LA, Thompson WK, Besser L, Kukull WA, Holland D, Chen CH, Brewer 1B, Karow DS, Kauppi K, Witoelar A, Karch CM, Bonham LW, Yokoyama 1S, Rosen H1, Miller BL, Dillon WP, Wilson DM, Hess CP, Pericak-Vance M, Haines 1L, Farrer L